Date: Sat, 7 Sep 2013 14:18:27 -0700 From: Adrian Chadd <adrian@freebsd.org> To: Slawa Olhovchenkov <slw@zxy.spb.ru> Cc: "src-committers@freebsd.org" <src-committers@freebsd.org>, Bryan Venteicher <bryanv@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "Andrey V. Elsukov" <ae@freebsd.org>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org>, Edward Tomasz Napiera?a <trasz@freebsd.org> Subject: Re: svn commit: r255323 - in head/sys: amd64/conf i386/conf Message-ID: <CAJ-Vmom1iLOZH1mOj6oqr5n4qeymi6k5zVv3sw4WGvnzakKY9g@mail.gmail.com> In-Reply-To: <20130907210244.GE3796@zxy.spb.ru> References: <201309062024.r86KOMqm059838@svn.freebsd.org> <CAGaYwLcV8hS%2Bk_B2xozcqfdz5TcJ%2BgyN=6whO8wJ_6puW1_njg@mail.gmail.com> <20130907081743.GB95723@zxy.spb.ru> <CAGaYwLcibUVY1C8BMUjRart75HBNMu4W-ddjSK5pHb3JYhf1Gg@mail.gmail.com> <20130907170700.GB3796@zxy.spb.ru> <CAJ-VmoksU9R4cPsVtxzMma_QHv0Hsm8mTCVixOEVKx2_uS-8eA@mail.gmail.com> <EE92600F-0A1B-4684-B928-410AE12B128D@FreeBSD.org> <20130907210244.GE3796@zxy.spb.ru>
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On 7 September 2013 14:02, Slawa Olhovchenkov <slw@zxy.spb.ru> wrote: > On Sat, Sep 07, 2013 at 10:48:48PM +0200, Edward Tomasz Napiera?a wrote: > > > Wiadomo?? napisana przez Adrian Chadd <adrian@freebsd.org> w dniu 7 wrz > 2013, o godz. 19:47: > > > I'll be happy if someone does this right now, by populating a > /boot/loader.modules or something, and then force the "fixing" of loader to > cache metadata to make the reads faster. > > > > I have no idea on what's the loader(8) state right now, but long time > ago I''ve made a patch > > that made it significantly faster by making caching actually work. No > idea if anyone picked > > up the patch (http://people.freebsd.org/~trasz/fast-loader-3.diff), > though. > > > > Some time ago Andrey V. Elsukov do improvement in loader for more > efficient caching and partition handling. Now loader load a lot of > modules faster. I am insert hist in CC: list. > Cool! Between Andrey and trasz@ there seems to be significant work done in this area to make things better. How about we get together a single patch set against -HEAD to start testing out? I'll test it out on my amd64/i386 devices (and if I can get these ARM boards to work, arm as well) to see how it works? I think we can aim to get this stuff snuck into -HEAD after 10 branches off. Sneaking it into -HEAD now would be way too risky. We can always MFC it later on to hit 10.1 or something. Thanks guys! I'm glad someone has already done a large part of this work! -adrian
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